diff --git a/src/app/components/editor/utils.ts b/src/app/components/editor/utils.ts
index cf3b5e410..20c9cd26c 100644
--- a/src/app/components/editor/utils.ts
+++ b/src/app/components/editor/utils.ts
@@ -1,4 +1,5 @@
 import { BasePoint, BaseRange, Editor, Element, Point, Range, Text, Transforms } from 'slate';
+import { ReactEditor } from 'slate-react';
 import { BlockType, MarkType } from './types';
 import {
   CommandElement,
@@ -201,8 +202,15 @@ export const replaceWithElement = (editor: Editor, selectRange: BaseRange, eleme
 };
 
 export const moveCursor = (editor: Editor, withSpace?: boolean) => {
-  Transforms.move(editor);
-  if (withSpace) editor.insertText(' ');
+  // Defer to the next tick so React can flush any pending void-element DOM
+  // updates (e.g. after inserting a mention) before Slate resolves cursor
+  // positions via ReactEditor.toDOMNode — otherwise Slate throws
+  // "Cannot resolve a DOM node from slate node".
+  setTimeout(() => {
+    ReactEditor.focus(editor);
+    Transforms.move(editor);
+    if (withSpace) editor.insertText(' ');
+  }, 0);
 };
 
 interface PointUntilCharOptions {